OP
nick611
if a tt system ze up to 1667 will disconnect in 0.2 then a tn max 0.80 can,t fail to can it on an rcd
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reg 411.5.3 rcd protection 0.2 dissconection any system
if a tt system ze up to 1667 will disconnect in 0.2 then a tn max 0.80 can,t fail to can it on an rcd
I did read that the High fault currents on a TN system where the Rcd is designed to operate, at say 30m/amp,it can damage those electronics more readilly than the low fault current TT system
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